I believe the answer is
A) Personal reflections on the meaning of war and peace throughout history.
hope it helps :)
D. friendly and respectful because it is a friendly letter, you don't want to be sarcastic which could come off as rude, and you don't want it to be formal either
F- for
A- and
N- nor
B-but
O- or
Y- yet
S- so
help students remember coordinating conjunctions.